.button {
    background-color: #555555; /* Black */
    opacity: 100%;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    border-radius: 3px;
    position:absolute;
    left:20px;
    top:20px;
    z-index:400;
}

.button:hover {
background-color: #8f8f8f;
}

.button:active {
background-color: #dbdbdb;
}

.button2 {
    background-color: #555555; /* Black */
    opacity: 100%;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    border-radius: 3px;
    position:absolute;
    left:20px;
    top:80px;
    z-index:400;
}

.button2:hover {
background-color: #8f8f8f;
}

.button2:active {
background-color: #dbdbdb;
}